github.com/juju/juju@v0.0.0-20240327075706-a90865de2538/worker/reboot/reboot_test.go (about)

     1  // Copyright 2014 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package reboot_test
     5  
     6  import (
     7  	"sync"
     8  	"time"
     9  
    10  	"github.com/juju/clock"
    11  	jc "github.com/juju/testing/checkers"
    12  	"github.com/juju/utils/v3"
    13  	gc "gopkg.in/check.v1"
    14  
    15  	"github.com/juju/juju/api"
    16  	apireboot "github.com/juju/juju/api/agent/reboot"
    17  	"github.com/juju/juju/core/instance"
    18  	"github.com/juju/juju/core/machinelock"
    19  	jujutesting "github.com/juju/juju/juju/testing"
    20  	"github.com/juju/juju/state"
    21  	"github.com/juju/juju/worker"
    22  	"github.com/juju/juju/worker/reboot"
    23  )
    24  
    25  type rebootSuite struct {
    26  	jujutesting.JujuConnSuite
    27  
    28  	machine     *state.Machine
    29  	stateAPI    api.Connection
    30  	rebootState apireboot.State
    31  
    32  	ct            *state.Machine
    33  	ctRebootState apireboot.State
    34  
    35  	clock clock.Clock
    36  }
    37  
    38  var _ = gc.Suite(&rebootSuite{})
    39  
    40  func (s *rebootSuite) SetUpTest(c *gc.C) {
    41  	var err error
    42  	template := state.MachineTemplate{
    43  		Base: state.DefaultLTSBase(),
    44  		Jobs: []state.MachineJob{state.JobHostUnits},
    45  	}
    46  	s.JujuConnSuite.SetUpTest(c)
    47  
    48  	s.stateAPI, s.machine = s.OpenAPIAsNewMachine(c)
    49  	s.rebootState, err = apireboot.NewFromConnection(s.stateAPI)
    50  	c.Assert(err, jc.ErrorIsNil)
    51  	c.Assert(s.rebootState, gc.NotNil)
    52  
    53  	//Add container
    54  	s.ct, err = s.State.AddMachineInsideMachine(template, s.machine.Id(), instance.KVM)
    55  	c.Assert(err, jc.ErrorIsNil)
    56  	password, err := utils.RandomPassword()
    57  	c.Assert(err, jc.ErrorIsNil)
    58  	err = s.ct.SetPassword(password)
    59  	c.Assert(err, jc.ErrorIsNil)
    60  	err = s.ct.SetProvisioned("foo", "", "fake_nonce", nil)
    61  	c.Assert(err, jc.ErrorIsNil)
    62  
    63  	// Open api as container
    64  	ctState := s.OpenAPIAsMachine(c, s.ct.Tag(), password, "fake_nonce")
    65  	s.ctRebootState, err = apireboot.NewFromConnection(ctState)
    66  	c.Assert(err, jc.ErrorIsNil)
    67  	c.Assert(s.ctRebootState, gc.NotNil)
    68  
    69  	s.clock = &fakeClock{delay: time.Millisecond}
    70  }
    71  
    72  func (s *rebootSuite) TearDownTest(c *gc.C) {
    73  	s.JujuConnSuite.TearDownTest(c)
    74  }
    75  
    76  func (s *rebootSuite) TestStartStop(c *gc.C) {
    77  	worker, err := reboot.NewReboot(s.rebootState, s.AgentConfigForTag(c, s.machine.Tag()), &fakemachinelock{}, s.clock)
    78  	c.Assert(err, jc.ErrorIsNil)
    79  	worker.Kill()
    80  	c.Assert(worker.Wait(), gc.IsNil)
    81  }
    82  
    83  func (s *rebootSuite) TestWorkerCatchesRebootEvent(c *gc.C) {
    84  	wrk, err := reboot.NewReboot(s.rebootState, s.AgentConfigForTag(c, s.machine.Tag()), &fakemachinelock{}, s.clock)
    85  	c.Assert(err, jc.ErrorIsNil)
    86  	err = s.rebootState.RequestReboot()
    87  	c.Assert(err, jc.ErrorIsNil)
    88  	c.Assert(wrk.Wait(), gc.Equals, worker.ErrRebootMachine)
    89  	// The flag is cleared.
    90  	rFlag, err := s.machine.GetRebootFlag()
    91  	c.Assert(err, jc.ErrorIsNil)
    92  	c.Assert(rFlag, jc.IsFalse)
    93  
    94  }
    95  
    96  func (s *rebootSuite) TestContainerCatchesParentFlag(c *gc.C) {
    97  	wrk, err := reboot.NewReboot(s.ctRebootState, s.AgentConfigForTag(c, s.ct.Tag()), &fakemachinelock{}, s.clock)
    98  	c.Assert(err, jc.ErrorIsNil)
    99  	err = s.rebootState.RequestReboot()
   100  	c.Assert(err, jc.ErrorIsNil)
   101  	c.Assert(wrk.Wait(), gc.Equals, worker.ErrShutdownMachine)
   102  }
   103  
   104  type fakeClock struct {
   105  	clock.Clock
   106  	delay time.Duration
   107  }
   108  
   109  func (f *fakeClock) After(time.Duration) <-chan time.Time {
   110  	return time.After(f.delay)
   111  }
   112  
   113  type fakemachinelock struct {
   114  	mu sync.Mutex
   115  }
   116  
   117  func (f *fakemachinelock) Acquire(spec machinelock.Spec) (func(), error) {
   118  	f.mu.Lock()
   119  	return func() {
   120  		f.mu.Unlock()
   121  	}, nil
   122  }
   123  func (f *fakemachinelock) Report(opts ...machinelock.ReportOption) (string, error) {
   124  	return "", nil
   125  }